Smash Burger Sauce
on Aug 26, 2026
This post may contain affiliate links. Please read our disclosure policy.
Smash Burger Sauce is the creamy, tangy sauce that makes a Blackstone smash burger taste like it came from your favorite burger spot. It is rich from mayo, bright from pickles and mustard, a little sweet from ketchup, and smoky enough to stand up to those delicious, crispy-edged smash burgers.
This is the sauce to make before the beef hits the Blackstone. Stir it together, let it chill while you prep the toppings, then spread it over toasted buns so it melts into the cheese, pickles, onions, and deliciously seasoned burger patties.
Why This Smash Burger Sauce Works
A good burger sauce has to do more than taste like seasoned mayo. It needs enough fat to feel creamy, enough acid to cut through rich beef, and enough seasoning to hold its own against a hot griddle burger without overpowering it.
This version keeps that balance simple. Mayo gives it body, ketchup brings a little sweetness, mustard and pickle juice add tang, and smoked paprika gives the sauce just enough backyard-griddle flavor without making it taste like barbecue sauce.
Pro Tips for the Best Smash Burger Sauce
Give the sauce time to develop. Even 15 to 30 minutes in the refrigerator helps the garlic powder, paprika, mustard, and pickle juice settle into the mayo.
Keep the pickles finely chopped. Small pieces give you little pops of crunch and tang without making the sauce hard to spread across a toasted bun.
Use it on both buns. A thin layer on the top and bottom bun gives a double smash burger that diner-style flavor without turning the whole thing messy.
Taste after chilling. The sauce gets a little sharper as it rests, so adjust with extra pickle juice, mustard, or ketchup after the flavors have had time to come together.
Ingredients That Matter
Mayonnaise is the base. Use a mayo you already like because it carries the whole sauce. A thicker mayo gives the sauce better body and helps it spread cleanly on toasted buns.
Pickles bring the bite. Finely chopped dill pickles or dill relish give the sauce that burger-shop tang. Bread-and-butter pickles work too, but they make the sauce sweeter.
Pickle juice keeps it sharp. A small splash loosens the sauce and cuts through the fat from the burgers. Add it a little at a time if you want a thinner, tangier sauce.
Ketchup and mustard balance the mayo. Ketchup adds sweetness and color, while yellow mustard gives the sauce a classic burger flavor that works especially well with American cheese.
Smoked paprika adds a quiet smoky note. It is not meant to take over; it just gives the sauce a little more depth.
How to Use Smash Burger Sauce
This sauce is made for Blackstone smash burgers, but it works anywhere you want a creamy burger sauce with pickle-forward flavor. Spread it on toasted burger buns, use it as a dip for fries, spoon it over patty melts, or tuck it into Blackstone sliders before serving.
For the best burger build, sauce the toasted bun first, then stack the cheesy patties, pickles, thin onion, lettuce, or whatever toppings you like. The sauce gives the burger enough tang to cut through the beef and cheese without hiding the crust you worked so hard to build.
Substitutions and Variations
For a sweeter sauce, use bread-and-butter pickles or sweet relish. For a sharper sauce, use dill pickles and add a little extra pickle juice. If you want heat, stir in a few dashes of hot sauce, a pinch of cayenne, or finely chopped pickled jalapeños.
You can swap smoked paprika for regular paprika if that is what you have, but the smoked version gives the sauce a subtle smoky flavor. For a little more depth, add a small splash of Worcestershire sauce or a tiny pinch of BBQ rub.
Storage
Store smash burger sauce in an airtight container in the refrigerator for up to 1 week. Stir it before serving because the pickle juice can loosen the sauce a bit as it sits.
Do not freeze this sauce. Mayo-based sauces tend to separate after freezing and thawing, and the texture will not be as smooth or creamy.
Frequently Asked Questions
This smash burger sauce is made with mayonnaise, ketchup, yellow mustard, finely chopped pickles or relish, pickle juice, garlic powder, and smoked paprika.
Yes. Make it at least 15 to 30 minutes ahead for the best flavor, or store it covered in the refrigerator for up to 1 week.
Yes. Relish works well and makes the sauce easy to stir together. Use dill relish for a tangier sauce or sweet relish for a sweeter burger sauce.
Use it on burgers, sliders, patty melts, sandwiches, wraps, fries, onion rings, or as a quick dipping sauce for grilled meats.
More Must-Have Sauces
CONNECT WITH A LICENSE TO GRILL!
Be sure to follow us on our social media accounts.
Did you make this recipe? Tell us about it in the comments below!
Smash Burger Sauce
Ingredients
- ½ cup mayonnaise
- 2 tbsp ketchup
- 1 tbsp yellow mustard
- 1 tbsp pickles, finely chopped, or relish
- 1 tsp pickle juice
- ½ tsp garlic powder
- ½ tsp smoked paprika
Instructions
- Stir the mayonnaise, ketchup, yellow mustard, chopped pickles or relish, pickle juice, garlic powder, and smoked paprika together in a small bowl until smooth and evenly combined.
- Cover and refrigerate for at least 15 to 30 minutes if time allows, then stir again before spreading on burgers or serving as a dip.
Notes
Flavor Balance
Let the sauce rest to develop flavor. The garlic powder, smoked paprika, mustard, and pickle juice taste more balanced after 15 to 30 minutes in the refrigerator. Adjust the tang after chilling. Add a little more pickle juice or mustard if you want it sharper, or a small spoonful of ketchup if you want it sweeter.Pickles Or Relish
Dill pickles make it tangier. Finely chopped dill pickles or dill relish give the sauce a sharper flavor. Sweet relish makes it sweeter. Use sweet relish or bread-and-butter pickles if you want the sauce closer to a classic special sauce.Heat And Smoke
Heat it up. Hot sauce, cayenne, or finely chopped pickled jalapeños all work, but keep the amount small so the sauce still tastes like a burger sauce. Use smoked paprika lightly. It adds depth and a bit of a punch without overpowering the sauce.Storage
Store it cold and covered. Keep the sauce in an airtight container in the refrigerator for up to 1 week. Stir before serving. The pickle juice can loosen the sauce as it sits, so give it a quick stir before spreading it on burgers.Nutrition
Nutrition information is automatically calculated, so should only be used as an approximation.
